2018
☆国際会議☆
Daichi Nakajima, Hiroki Kuwabara, Shigeru Annaka, Yasuharu Ohgoe, Kenji Hirakuri
[Preparation of DLC films on light metals]
INTERNATIONAL CONFERENCE ON DIAMOND AND CARBON MATERIALS , 2-6 2018 September , Dubrovnik , Croatia

Daichi Nakajima, Hiroki Kuwabara, Shigeru Annaka, Masanori Tsujioka, Hideki Moriguchi,, Shinya Fujii, Kenji Hirakuri
[Chemical resistance and electrical insulation of DLC coating]
International Conference on Material and Chemical Engineering, 18-20 2018 December , Sydney , Australia

Kengo Sakurai, Kyoichi Terai, Hideki Nakamori, Masanori Hiratsuka, Kazushige Namiki, Kenji Hirakuri1, Keisuke Sato
[Improvement of wear property or acid and sterilization treatment for medical device by DLC coating]
INTERNATIONAL CONFERENCE ON DIAMOND AND CARBON MATERIALS , 2-6 2018 September , Dubrovnik , Croatia

Kengo Sakurai, Masanori Hiratsuka, Hideki Nakamori, Kazushige Namiki, Kenji Hirakuri
[Wear property and durability by DLC coating]
International Conference on Material and Chemical Engineering, 18-20 2018 December , Sydney , Australia

Shunta Kidera, Kouki Fujioka, Yasuharu Ohgoe, Keisuke Sato, Masanori Hiratsuka, Hitomi Tsuboi, Hideki Nakamori, Hideki Masuda, Hiroshi Honda, Yoshinobu Manome, Kenji Hirakuri
[Time course of Zn release from Zn-containing DLC]
INTERNATIONAL CONFERENCE ON DIAMOND AND CARBON MATERIALS, 2-6 2018 September, Dubrovnik , Croatia

Shunta Kidera, Kouki Fujioka, Yasuharu Ohgoe, Keisuke Sato, Masanori Hiratsuka, Hitomi Tsuboi, Hideki Nakamori, Hideki Masuda, Hiroshi Honda, Yoshinobu Manome, Kenji Hirakuri
[Evaluation of fracture treatment of Zn-DLC for biomaterial application]
International Conference on Material and Chemical Engineering, 18-20 2018 December , Sydney , Australia

Shu Onodera, Kenji Hirakuri
[Ultraviolet reflection and antibacterial properties of DLC coating on PMMA]
INTERNATIONAL CONFERENCE ON DIAMOND AND CARBON MATERIALS , 2-6 2018 September , Dubrovnik , Croatia

Shu Onodera, Shinya Fujii, Hideki Moriguchi, Masanori Tsujioka, Kouki Fujioka, Yoshinobu Manome, and Kenji Hirakuri
[Antibacterial property of DLC film for improved biocompatibility]
International Conference on Material and Chemical Engineering, 18-20 2018 December , Sydney , Australia

Y. Nakazato, N. Miyata, T. Miyazaki, N. Tatsumi, T. Yaguchi, A. Homma, K. Hirakuri, Y. Ohgoe
[Effect of nitrogen contained in a-C:H film deposition for cell behavior]
International Conference on Diamond and Carbon Materials, 2-6 (2018) September, Dubrovnik, Croatia

A. Amira, K. Hirakuri, A. Homma, Y. Ohgoe
[Effects of annealing temperature and duration on electrical resistance of boron doped DLC film]
International Conference on Diamond and Carbon Materials, 2-6 (2018) September, Dubrovnik, Croatia

T. Suzuki, S. Ohgoe, A. Homma, K. Hirakuri, Y.Ohgoe
[Electrical behavior of diamond-like carbon films under mechanical compression conditions]
International Conference on Diamond and Carbon Materials, 2-6 (2018) September, Dubrovnik, Croatia




2017
☆国際会議☆
Keita Kato, Keisuke Sato, Kenji Hirakuri
[Boron-doping effect on photovoltaic performance of silicon quantum dots based organic polymer solar cells]
International conference on Electrical Engineering and Computer Science , 19-22 2017 December , M Hotel , Singapore

Keita Kato, Keisuke Sato, Kenji Hirakuri
[Influence of boron concentration in silicon quantum dots on organic polymer solar cells]
The International Conference on Engineering and Applied Sciences , 22-24 2018 February , Centara Watergate , Bangkok

Kyoichi Terai, Yasuharu Ohgoe, Kazuhide Ozeki, Keisuke Sato, Kenji Hirakuri
[Prepation of powdery state of amorphous carbon by radio frequency plasma chemical vaper deposition]
International Conference on Diamond and Carbon Materials , 3-7 2017 , September , Gothenburg , Sweden

Kyoichi Terai, Yuta Murayama, Keisuke Sato, Yasuharu Ohgoe, Jun Mizuno, Shuichi Shoji, Kenji Hirakuri
[Improvement of wear property for medical device by DLC coating]
International Conference on Diamond and Carbon Materials , 3-7 September 2017, Gothenburg , Sweden

Kyoichi Terai, Yuta Murayama, Keisuke Sato, Yasuharu Ohgoe, Jun Mizuno, Shuichi Shoji, Kenji Hirakuri
[Characteristics of powdery state of DLC by oxygen plasma treatment]
The International Conference on Engineering and Applied Science , 22-24 February 2018, Centara Watergate , Bangkok

Tsubasa Iguchi, Keisuke Sato, Kenji Hirakuri
[Fabrication and Evaluation of Phosphorus-Doped Silicon Nanoparticles using a Wet Process]
International Conference on Electrical Engineering and Computer Sciences , 19-22 December 2017 , M Hotel , Singapore

Masayuki Suzuki, Keisuke Sato, Kenji Hirakuri
[Effect of surface composition on fluorescence properties of porous silicon films with ordered micropores]
The International Conference on Engineering and Applied Science , 22-24 February 2018, Centara Watergate , Bangkok

Masaya Kudo, Keisuke Sato, Hiroaki Sukegawa, Kenji Hirakuri
[Optimized fluorescent and magnetic characteristics of ammonium silicon fluoride / magnetic composite microparticles]
The International Conference on Engineering and Applied Sciences 2018 , 22-24 February 2018 , Centara Watergate , Bangkok



2016
☆国際会議☆
Tsubasa Iguchi, Keisuke Sato, Kenji Hirakuri
[Doping and optical characterization of phosphorus atoms in silicon nanoparticles]
AsiaNANO 2016, 10-13 October 2016, Sapporo, Japan

Keita Kato, Keisuke Sato, Kenji Hirakuri
[Fabrication of boron-doped silicon quantum dots]
Asia NANO 2016, 10-13 October 2016, Sapporo, Japan

Masayuki Suzuki, Keisuke Sato, Kenji Hirakuri
[Multi-color fluorescence of (NH4)2SiF6/POx composite microparticles]
2016 the 5th Asia-Pacific International Congress on Engineering & Natural Sciences, 02-04 August 2016, Loisir Hotel Naha, Okinawa, Japan

Junichi Katono, Yasuharu Ohgoe, Koki Fujioka, Masanori Hiratsuka, Hitomi Tsuboi, Hideki Nakamori,
Hideki Masuda, Hiroshi Honda, Yoshinobu Manome, Kenji Hirakuri
[Enhancement of osteogenic on Zn releace with Zn doped DLC film coating]
2016 the 5th Asia-Pacific International Congress on Engineering & Natural Sciences, 02-04 August 2016, Loisir Hotel Naha, Okinawa, Japan

Kyoichi Terai, Yuta Murayama, Keisuke Sato, Yasuharu Ohgoe, Jun Mizuno, Shuichi Shoji, Kenji Hirakuri
[Amino group modification on DLC coating to medical application]
2016 the 5th Asia-Pacific International Congress on Engineering & Natural Sciences, 02-04 August 2016, Loisir Hotel Naha, Okinawa, Japan

Masaya Kudo, Keisuke Sato, Hiroaki Sukegawa, Kenji Hirakuri
[Magnetic and fluorescence propaties of ammonium silicon fluoride/iron oxide composite microparticles]
2016 the 5th Asia-Pacific International Congress on Engineering & Natural Sciences, 02-04 August 2016, Loisir Hotel Naha, Okinawa, Japan

Keita Kato, Keisuke Sato, Kenji Hirakuri
[Reactivation and characterization of boron-doping in silicon quantum dots]
AsiaNANO 2016, 10-13, October, Sapporo, Japan

Keita Kato, Keisuke Sato, Kenji Hirakuri
[Correlation between boron concentration and electrical conductivity in silicon quantum dots]
International conference on Electrical Engineering and Computer Science, 2016 14-16, December, Eaton Hotel, Hong Kong

Masaya Kudo, Keisuke Sato, Hiroaki Sukegawa, Kenji Hirakuri
[Magnetic performance of fluorescent ammonium silicon fluoride/magnetite composite microparticles]
International Conference on Electrical Engineering and Computer Sciences, 2016 14-16, December, Eaton Hotel, Hong Kong

Masayuki Suzuki, Keisuke Sato, Kenji Hirakuri
[Fluorescent SiPOF microparticles with thermostability]
International Conference on Electrical Engineering and Computer Sciences, 2016 14-16, December, Eaton Hotel, Hong Kong

Tsubasa Iguchi, Keisuke Sato, Kenji Hirakuri
[Electrical cnductivity of phosphorus-doped silicon nanoparticles using a wet process]
International Conference on Electrical Engineering and Computer Sciences, 14-16 December 2016, Eaton Hotel, Hong Kong

Junichi Katouno, Yasufumi Mabuchi, Yasuharu Ohgoe, Keisuke Sato, Kouki Fujioka, Yoshinobu Manome, Masanori Hiratsuka, Hideki Nakamori, Hideki Masuda, Hiroshi Honda, Kenji Hirakuri
[Structural Investigation of Zn Doped Diamond-Like Carbon Films]
International Conference on Engineering and Applied Sciences, 2016 14-16, December, Eaton Hotel, Hong Kong

Y. Murayama, K. Terai, Y. Ohgoe, M. Hiratsuka, K. Ozeki, H. Nakamori, T. Moriyama, N. Nabatova-Gabain,
Y. Wasai, M. Sakurai, K. Satoh and K. Hirakuri
[Correlation between optical properties and biocompatibility of DLC films]
International Conference on Engineering and Applied Sciences, 2016 14-16, December, Eaton Hotel, Hong Kong

Aoi Tokiwa, Keisuke Sato, Kenji Hirakuri
[Improved thermo-stability of (NH4)2SiF6 fluorescent microparticles with the phosphoric acids]
Pacific Rim Symposium on Surfaces, Coatings and Interfaces (PacSurf 2016), 2016 11-15, December, Hapuna Beach Prince Hotel, Hawaii, USA

Kyoichi Terai, Yasuharu Ohgoe, Kazuhide Ozeki, Keisuke Sato, Kenji Hirakuri
[Stability on O2 plasma treatment of DLC coating as biocompatibility]
Pacific Rim Symposium on Surfaces, Coating & Interfaces (PacSurf 2016), 2016 11-15, December, Hapuna Beach Prince Hotel, Hawaii, USA

Yuuki Sugano, Keisuke Sato, Kenji Hirakuri
[Optimization of Si quantum dot arrays in inorganic-organic solar cells]
Pacific Rim Symposium on Surfaces, Coating & Interfaces (PacSurf 2016), 2016 11-15, December, Hapuna Beach Prince Hotel, Hawaii, USA



2013
☆国際会議☆
S. Kitazawa, K. Sato, K. Fujioka. N. Fukata, Y. Manome, A. Alanazi and K. Hirakuri
[Dispersibility of luminescent silicon nanoparticles by using the wet process]
The 4th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies. Kanazawa, Ishikawa, Japan. 2013/6/17-20

R. Suzuki, M, Yamashita, K. Sato, A. Alanazi, N. Fukata, K. Fujioka, Y. Manome, and K. Hirakuri
[Photoluminescence of silicon nanoparticles coupled with alkyl groups]
The 4th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies, Kanazawa, Japan, 2013/6/17 - 6/20

K. Shiba, S. Murata, K. Hirakuri, J. Mizuno, S. Shoji, K. Ozeki, Y. Ohgoe, K. Sato, N. Fukata, A. Alanazi
[Hemocompatibility of DLC films coated on blood analysis devices]
International Conference on Diamond and Carbon Materials 2013, Riva del Garda, Italy, 2013/9/2-9/5

H. Tada, Y. Kimura, M. Hibino, Y. Ohgoe, M. Hiratsuka, H. Nakamori, T. Moriyama, N. Nabatova-Gabain, M. Sakurai, A. Alanazi, H. Saitoh, K. Ozeki, K. Hirakuri, N. Fukata and Y. Fukui
[Cell Adhesion Enhancement of DLC Films by Oxygen Plasma Treatment]
International Conference on Diamond and Carbon Materials 2013, Riva del Garda, Italy, 2013/9/2-9/5

K. Sato, Kenji Hirakuri, K. Fujioka, Y. Manome, H. Sukegawa, H. Iwai, N. Fukata
[Size-tunable Magnetofluorescent Nanoparticles in Vivo Imaging]
2013 MRS Meeting, Boston, USA, 2013/12/1-6



2012
☆国際会議☆
K. Arai, Y. Ohgoe, K. Hirakuri, N. Fukata, A. Alianazi, Y. Fukui, A. Funakubo
[ Biocompatibility of DLC films fabricated on scaffold with honeycomb structure ]
International Conference on Diamond and Carbon Materials 2012, Granada, Spain, 2012/9/3-6

Y. Kimura, M. Hibino, Y. Ohgoe, A. Azhim,S. Masuko, M. Hiratsuka, H. Nakamori, H. Saitoh, K. Ozeki, K. Hirakuri, A.S. Alanazi, N. Fukata, Y. Fukui
[ Cytocompatibility of DLC films by different fabrication equipment ]
International Conference on Diamond and Carbon Materials 2012, Granada, Spain, 2012/9/3-6

S. Murata, S. Yoshino, S. Ito, T. Horiuchi, J. Mizuno, K. Hirakuri, A. Alanazi, K. Sato, N. Fukata, S. Shoji
[ DLC Coating in Micro Fluid Channel with Biochips ]
International Conference on Diamond and Carbon Materials 2012, Granada, Spain, 2012/9/3-6

S. Ito , Kenji Hirakuri, Keisuke Sato, Naoki Fukata
[ Fabrication of nitrogen-doped silicon nanoparticles by reactive RF sputtering ]
E-MRS European Materials Research Society 2012 Fall Meeting, Warsaw University of Technology, 2012/9/17-21

K.Kato, K.Hirakuri, K.Fujioka, Y.Manome, N.Fukata, K.Sato
[ Biocompatibility of silicon nanoparticles fabricated by wet process ]
E-MRS European Materials Research Society 2012 Fall Meeting, Warsaw University of Technology, 2012/9/17-21

S.Sumiyoshi, K.Hirakuri, N.Fukata, K.Sato
[ Fabrication of luminescence silicon nanoparticles with white light ]
E-MRS European Materials Research Society 2012 Fall Meeting, Warsaw Uni


2011
☆国際会議☆
M. Yamashita, A. Miyagawa, K. Fujioka, K. Sato, N. Fukata, K. Hirakuri, Y. Manome, K. Yamamoto
[ UV - induced Fabrication of Alkenes Group on Silicon nano Particle Surfaces ]
ICFSI-13 International Conference on the Formation of Semiconductor Interfaces, Praque Czech Republic, 2011/7/3-8

Satoshi Murata, Shin Ito, Jun Mizuno, Kenji Hirakuri, Sadaaki Masuko, Keisuke Sato, Naoki Fukata, Fukuo Shizuku, Shuichi Shoji
[ Biochip applications of DLC films on a resin material ]
ICFSI-13 International Conference on the Formation of Semiconductor Interfaces, Praque Czech Republic, 2011/7/3-8

Y. Ohgoe, K. Nonaka, K. K. Hirakuri, A. Funakubo, and Y. Fukui
“Investigation of cell behavior on a-C:H film coating surface”
Thermec’2011 (International conference on processing & manufacturing of advanced materials), August 1-5, 2011, Quebec, Canada.

Y. Ohgoe, K. K. Hirakuri, A. Katoh, A. Funakubo, and Y. Fukui
“Development of inquiry system for DLC film deposition methods application by neural network”
International Conference on New Diamond and Nano Carbons 2011, May 16-20, 2011, Matsue, Japan.


2010
☆国際会議☆
A. Alanazi, K. Hirakuri
Blood Compatibility of DLC Films
International Conference on Science and Technology of Synthetic Materials 2010, Kyoto, Japan 2010/7/4-9.

H. Sera, A. Toriu, Y. Ohgoe, K. Hirakuri and Y. Fukui
Biological properties for nitrogen-doped hydrogenated amorphous carbon film coated on artificial heart blood pump
The 21th European Conference on Diamond, Diamond-Like Materials, Carbon Nanotubes & Nitrides(DIAMOND2010), Budapest, Hungary, 2010/9/5-9.

T. Kanai, A. Katoh, Y. Ohgoe, K. Hirakuri, Y. Fukui
Development of inquiry system for practical applications of DLC coating
The 21st European Conference on Diamond, Diamond-Like Materials, Carbon Nanotubes and Nitrides、Budapest, Hungary , 2010/09/05-09.

M. Iwatsuki, Y. Hoshino, Y.Ohgoe, A. Alanazi, K. Hirakuri, Y. Fukui
DLC film coating for anti-infective property
7th International Conference on Reactive Plasmas, Paris, France, 2010/10/4-8

N. Takeda, Y. Hoshino, Y.Ohgoe, A. Alanazi, K. Hirakuri, Y. Fukui
Cytocompatibility of DLC coating on a synthetic vascular graft
7th International Conference on Reactive Plasmas, Paris, France, 2010/10/4-8

T. Fujino,K.Sato,K.Hirakuri,Y.Fukui
Multi-colored luminescence from luminescent nanocrystalline silicon particles terminated by nitrogen
7th International Conference on Reactive Plasmas, Paris, France, 2010/10/4-8.

H. Sera, A. Toriu, Y. Ohgoe, K. Hirakuri and Y. Fukui
Biological properties for nitrogen-doped hydrogenated amorphous carbon film coated inner wall of artificial heart blood pump
Materials Research Society 2010 Fall Meeting, Boston, Massachusetts, USA, 2010/11/30-12/3

S. Yokosuka, K. Sato, K. Hirakuri
Mass production of silicon nanoparticles with multi colored luminescence
Materials Research Society 2010 Fall Meeting, Boston, Massachusetts, USA, 2010/11/30-12/3


2009
☆国際会議☆
K. Sudoh, K. Hirakuri
Nano crystalline diamond growth on the iron-based materials with a-Si film coating
TACT 2009 International Thin Films Conference, National Taipei University of Technology, Taipei, Taiwan, 2009/12/14-16

Tomokazu Sato, Yasuharu Ohgoe and Kenji Hirakuri
Anti-corrosion effect of DLC films against chemicals
TACT 2009 International Thin Films Conference, National Taipei University of Technology, Taipei, Taiwan, 2009/12/14-16

A. Toriu, H. Matsuo, K. Nonaka, Y. Ohgoe, K. K. Hirakuri, A. Funakubo and Y. Fukui
Cytocompatibility of a-C:H:N films deposited on polymeric fibrous scaffold
Materials Research Society 2009 Fall Meeting, Boston, Massachusetts, USA, 2009/11/30-12/04

Toshiyuki Shimizu, Kenji Hirakuri, Yasuhiro Fukui
Fabrication of nanocrystalline silicon particles as luminous source of white light
10th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures, Granada Conference Centre, Granada, Spain, 2009/09/21-25

Tomokazu Sato, Hiroshi Isogawa, Yasuharu Ohgoe, Fukuo Shizuku and Kenji Hirakuri
Corrosion prevention property of DLC films against chemicals
International Conference on Plasma Surface Engineering (AEPSE2009), BEXCO Convention Center, Busan, Korea, 2009/9/20-25

A. Toriu, H. Matsuo, K. Nonaka, Y. Ohgoe, K. K. Hirakuri, A. Funakubo and Y. Fukui
Cytocompatibility of hydrogenated amorphous carbon (a-C:H) films deposited on polymeric fibrous scaffold
International Symposium on Plasma Chemistry, Bochm, Germany, 2009/07/26-31